855 Union Ave

2,328 Sq. Ft.
$644 / Sq. Ft.
2,328
Sq. Ft.
$644
per Sq. Ft.

Description

Perfect opportunity for developers and visionaries, prime location in North Boulder's coveted locale! Lives like two homes on one lot, the property boasts a sprawling 14,000 square-foot lot with high SUBDIVISION POTENTIAL. Nestled in a neighborhood supporting $3+ million homes, this serene oasis near Wonderland Hill Lake and Lucky's Market offers ample privacy and lush trees. Seize this chance to build your dream, develop or subdivide in this coveted neighborhood."Perfect opportunity for developers and visionaries, prime location in North Boulder's coveted locale! Lives like two homes on one lot, the property boasts a sprawling 14,000 square-foot lot with high SUBDIVISION POTENTIAL. Nestled in a neighborhood supporting $3+ million homes, this serene oasis near Wonderland Hill Lake and Lucky's Market offers ample privacy and lush trees. Seize this chance to build your dream, develop or subdivide in this coveted neighborhood."

Listing Agents

  1. Alex Jacobson

    Alex Jacobson

    Listing Agent

    Compass

    alex.jacobson@compass.com

    P: (303)-523-8207

  2. Eric Jacobson

    Eric Jacobson

    Alternative Listing Agent

    Compass

    eric.jacobson@compass.com

    P: (303)-437-0221

Property Details for 855 Union Avenue

Locale
Boulder
Description 1
House
LISTING UPDATED: 10/20/2025 07:51 PM

Property Details for 855 Union Avenue

StatusSold
MLS #1008933
Days on Compass7
Taxes$7,727 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1960
Lot Size0.33 AC / 14,374 SF
CountyBoulder County

Location

Sold By 8030 Realty, Deanna Franco

Add your commute

Building Information for 855 Union Avenue

Stories-Year Built1960Building Size-Lot Size0.33 AC / 14,374 SF

Payment Calculator

Get preapproved with
OriginPoint Mortgage or Rocket Mortgage1

$7,955 per month

30 year fixed, 6.15% Interest

Principal and Interest

$7,311

Property Taxes

$644

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Rocket Mortgage1

Property Information for 855 Union Avenue

Summary
Location and General Information
  • Latitude: 40.05
  • Longitude: -105.29
Parking
  • Total Parking: 4.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • Legal Description: LOT 3 PARIS SUBDIVISION
  • Tax Information: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2023
  • HOA Transfer Fee: No
  • HOA 2 Transfer Fee: No
  • Has Association Fee: No
  • Has Association 2 Fee: No
  • Has Association Reserve: No
  • Has Association 2 Reserve: No
  • Tax Annual Amount: $7,727
  • Parcel Number: R0033825
Property
Lot Information
  • Lot Improvements: Wooded
  • Lot Size Area: 14,439.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
  • Vegetation: Wooded
Property and Assessments
  • Total Finished Area Source: Assessor
  • Living SqFt: 2328
  • Above Grade Finished Area Source: 2328
  • Sq Ft Apx: 0
  • Total Finished Area: 2328
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: One
Utilities
  • Electric: Xcel
  • Green Energy Efficient: Southern Exposure
Interior and Exterior Features
Exterior Features
  • Construction Materials: Frame, Brick
Interior Features
  • Interior Features: Tub+Shower Primary
  • Laundry Features: No Inclusions
  • Fireplaces 1: Free Standing
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 0
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 0
  • Baths Full Main: 3
  • Baths Full Lower: 0
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 1
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 0
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomDescription: Other
  • RoomLength: 15.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 10.0
Room 2
  • RoomDescription: Other
  • RoomLength: 22.0
  • RoomLevel: Main
  • RoomType: Primary Bedroom
  • RoomWidth: 12.0
  • Room Features: Tub+Shower Primary
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Vacant

Property History for 855 Union Avenue

DateEvent & SourcePriceAppreciation
Jun 12, 2024

Sold (Public Record)

Public Record #1534594653

$1,500,000—
Jun 12, 2024

Sold (Public Record)

Public Record #1536599670

$1,500,000—
DateEvent & SourcePrice
06/12/2024

Sold (Public Record)

Public Record #1534594653

$1,500,000
06/12/2024

Sold (Public Record)

Public Record #1536599670

$1,500,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 855 Union Avenue

Taxable ValueLand$36,531Additions$4,059Total$40,590
Tax Record2025$3,870 ($323 / month)
Home Facts
Beds2Baths2Total Finished SqFt2,328 SqFtAbove Grade Finished SqFt2,328 SqFtStories1Lot Size7,187 SqFtStyleSingle Family ResidenceYear Built1960Zoning1112CountyBOULDERAPN1461-13-1-54-001

Schools near 855 Union Avenue

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Public - PK to 5
Rating
School
Distance
Foothill Elementary School
PublicK to 5

Centennial Middle School
Public6 to 8

Boulder High School
Public9 to 12

University Hill Elementary School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Based on information submitted to the MLS GRID as of 10/20/2025 07:51 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.